<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="css/Demo02.css"><!--外部样式表-->
</head>
<body>
<div id="div_container">
    <div id="div1">
        <form action="add.do" method="post">
            <table id="tbl1">

                <tr >
                    <td> <input type="text" name="id">      </td>
                    <td> <input type="text" name="name">    </td>
                    <td> <input type="password" name="age"> </td>
                </tr>
            </table>
            <input  type="submit" value="添加"/>
        </form>
    </div>
</div>

</body>
</html>